How to Choose a Short Domain: Length, TLD, and Deliverability

If you are going to own one thing about your links, own the domain. It is the difference between borrowing someone else's reputation and building your own, and it changes how every link you send is treated.

Choosing one is mostly a trade between three things: length, trust, and cost.

Length: what it actually buys

Every character in the domain is a character in every link you will ever send. A seven-character domain with a seven-character back-half produces a link of about 22 characters — comfortably inside any limit, readable in a message, speakable on a podcast.

A twenty-character domain produces a link of about 35, which is fine in an email and awful on a poster.

Be honest about where your links appear. If they live in emails and social posts, length barely matters. If they go on packaging, in SMS, or get read aloud, every character is real. The sweet spot for most people is four to eight characters before the dot — short enough to be practical, long enough to still be available and pronounceable.

Do not chase extreme brevity at the cost of meaning. A three-character domain nobody can spell is worse than a seven-character one that sounds like your brand.

TLD: the part people underestimate

The extension is not cosmetic. Spam filters and link scanners weight it, because abuse concentrates in the TLDs that are cheapest to acquire in bulk. A domain on a heavily-abused extension starts with a handicap that has nothing to do with you and takes real time to overcome.

This is the one place where paying more is buying something concrete. The premium is not for better DNS — it is a barrier to bulk abuse, and filters price that in.

Practical guidance:

• Country codes that read as words — the classic shortener trick, and they carry decent reputation. Watch for registration restrictions, and check whether the country has residency requirements before falling in love with a name.
• Established generic extensions cost more and behave predictably. Boring is an advantage here.
• The cheapest new extensions are where bulk abuse lives. Usable for a content site; a genuine handicap for a link domain whose entire job is being trusted.

The name itself

Three tests, in order of how much they will annoy you later:

1. The phone test. Say it out loud to someone. If they need it spelled, it fails. This kills clever misspellings — an extra letter to dodge an unavailable name means every verbal mention needs a correction, forever.
2. The typo test. What is one keystroke away, and who owns it? If a plausible typo lands on something hostile, that is a permanent leak of your traffic.
3. The five-year test. Does it survive a pivot? A domain naming your current product is a liability the day the product changes.

One domain or two?

Serious setups often run two: a normal domain for the website, a short one for links. This is not vanity. A domain serving mostly redirects has almost no crawlable content, which matters if you ever want that domain reviewed by an ad network or ranked in search. Splitting them lets each do one job well.

If you only want one, pick for the website and accept slightly longer links. Links are the easier thing to change later — a second domain can be added at any time without touching a single existing link.

Before you buy

• Check it is actually available, not merely unresolved in DNS.
• Check the registration and renewal price separately. Cheap first years with painful renewals are standard practice.
• Check the TLD does not restrict who may register.
• Check the exact string is not already burned — a previously-abused domain arrives with a reputation you did not earn.

After you buy

Point it at your shortener, confirm HTTPS works end to end, and then leave it alone for a couple of weeks doing something low-stakes. A brand-new domain is an unknown domain, and unknown skews suspicious. Give it a little history before it carries a launch.

Then never let it lapse. A short domain that expires takes every link you ever shared with it.

Add your own domain and stop sharing a reputation you don't control.